TEAC's FD-05S series of 3.5-inch FDD includes it's own SCSI interface is equipped with numerous intelligent functions, and features an internal FDC ( floppy disk controller ). But perhaps most importantly the FD-05S series 1-inch height profile, currently the industry standard used by the largest number of PCs, provides considerable advantages and benefit to accommodate today's downsizing TEAC - intelligent FDD that feature compact size plus improved system expandability.